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Fulltoolchains

6task families

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tests/
toolchain/

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Add capabilities to real codebases. Land large changes in reviewable steps and make systems work together.

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Inside a DeepSWE task: pytest

A passing claim isn't a passing test.

Fix a real pytest bug that drops chained exception details during parallel test runs. Restore the full failure output.

Parallel testsDropped exception chains

Fix + verifyRestore the failure output

Clean test runHeld-out repository tests

Accurate updatesManager checks actual work

Completion must match the changed files and the test results.Task workflow

Read the task and verification summary

Repair a pytest bug that drops chained exception details during parallel test runs. The agent must restore the full failure output and verify the change against the repository’s tests.

Held-out repository tests check the fix, and manager checks compare the agent’s completion updates with its actual work. The reference solution must score 1.0 and an empty diff must score 0.0. Both controls run before shipping and are included with the task.

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